/Engine/Source/Runtime/Engine/Classes/EdGraph/EdGraphSchema.h
Tentatively sets the category for a given graph
virtual [FReply](API\Runtime\SlateCore\Input\FReply) TrySetGraphCategory ( const [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * InGraph, const [FText](API\Runtime\Core\Internationalization\FText) & InCategory )